216414434 has 8 divisors (see below), whose sum is σ = 325018560. Its totient is φ = 108074916.

The previous prime is 216414409. The next prime is 216414439. The reversal of 216414434 is 434414612.

216414434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 216414397 and 216414406.

It is not an unprimeable number, because it can be changed into a prime (216414439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64094 + ... + 67385.

It is an arithmetic number, because the mean of its divisors is an integer number (40627320).

Almost surely, 2^216414434 is an apocalyptic number.

216414434 is a deficient number, since it is larger than the sum of its proper divisors (108604126).

216414434 is a wasteful number, since it uses less digits than its factorization.

216414434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132304.

The product of its digits is 9216, while the sum is 29.

The square root of 216414434 is about 14711.0310311684. The cubic root of 216414434 is about 600.3834900253.

The spelling of 216414434 in words is "two hundred sixteen million, four hundred fourteen thousand, four hundred thirty-four".